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Article: Broadband dynamic spectrum characterization based on gating-assisted electro-optic time lens

TitleBroadband dynamic spectrum characterization based on gating-assisted electro-optic time lens
Authors
KeywordsFourier series
Infrared devices
Spectrum analysis
Issue Date2019
PublisherAIP Publishing LLC. The Journal's web site is located at http://scitation.aip.org/content/aip/journal/apl
Citation
Applied Physics Letters, 2019, v. 114 n. 2, p. article no. 021105 How to Cite?
AbstractA broadband real-time optical spectrum characterization technique is proposed based on a gating-assisted electro-optic time lens. Operating at the repetition rate of 10-MHz, a 10-dB spectral measurement range of more than 70-nm is achieved with a resolution of up to 42.5-pm in the near-infrared regime. To demonstrate its performance in applications, real-time spectral observation of broadband wavelength sweeping of a Fourier domain mode-locked laser and a 32.4-GHz optical frequency comb is presented. Furthermore, a detailed comparison between dispersive Fourier transform and the time lens based spectral analysis technique for frequency comb measurements is made from both simulation and experiment. With its broadband performance, this technique can provide widespread applications requiring real-time spectral analysis. The authors acknowledge the Research Grants Council of the Hong Kong Special Administrative Region, China (Project Nos. HKU 17205215, CityU T42-103/16-N, HKU C7047-16G, EHKU701/17, and HKU 17209018) and National Natural Science Foundation of China (N_HKU712/16).
Persistent Identifierhttp://hdl.handle.net/10722/277232
ISSN
2017 Impact Factor: 3.495
2015 SCImago Journal Rankings: 1.105

 

DC FieldValueLanguage
dc.contributor.authorWEI, Y-
dc.contributor.authorLI, B-
dc.contributor.authorFENG, P-
dc.contributor.authorKANG, J-
dc.contributor.authorWong, KKY-
dc.date.accessioned2019-09-20T08:47:07Z-
dc.date.available2019-09-20T08:47:07Z-
dc.date.issued2019-
dc.identifier.citationApplied Physics Letters, 2019, v. 114 n. 2, p. article no. 021105-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10722/277232-
dc.description.abstractA broadband real-time optical spectrum characterization technique is proposed based on a gating-assisted electro-optic time lens. Operating at the repetition rate of 10-MHz, a 10-dB spectral measurement range of more than 70-nm is achieved with a resolution of up to 42.5-pm in the near-infrared regime. To demonstrate its performance in applications, real-time spectral observation of broadband wavelength sweeping of a Fourier domain mode-locked laser and a 32.4-GHz optical frequency comb is presented. Furthermore, a detailed comparison between dispersive Fourier transform and the time lens based spectral analysis technique for frequency comb measurements is made from both simulation and experiment. With its broadband performance, this technique can provide widespread applications requiring real-time spectral analysis. The authors acknowledge the Research Grants Council of the Hong Kong Special Administrative Region, China (Project Nos. HKU 17205215, CityU T42-103/16-N, HKU C7047-16G, EHKU701/17, and HKU 17209018) and National Natural Science Foundation of China (N_HKU712/16).-
dc.languageeng-
dc.publisherAIP Publishing LLC. The Journal's web site is located at http://scitation.aip.org/content/aip/journal/apl-
dc.relation.ispartofApplied Physics Letters-
dc.subjectFourier series-
dc.subjectInfrared devices-
dc.subjectSpectrum analysis-
dc.titleBroadband dynamic spectrum characterization based on gating-assisted electro-optic time lens-
dc.typeArticle-
dc.identifier.emailWong, KKY: kywong@eee.hku.hk-
dc.identifier.authorityWong, KKY=rp00189-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1063/1.5079424-
dc.identifier.scopuseid_2-s2.0-85060134538-
dc.identifier.hkuros305781-
dc.identifier.volume114-
dc.identifier.issue2-
dc.identifier.spagearticle no. 021105-
dc.identifier.epagearticle no. 021105-
dc.publisher.placeUnited States-

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